Home / 12,882,584.97-17,778,004.13-7,376,044.29

Finding the Fourth Proportional to 12,882,584.97, 17,778,004.13 and 7,376,044.29

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Solution

The fourth proportional to 12,882,584.97, 17,778,004.13 and 7,376,044.29 is: 10,178,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,584.97 : 17,778,004.13 = 7,376,044.29 : x
  2. Step 2: Convert to fraction form
    12,882,584.97/17,778,004.13 = 7,376,044.29/x
  3. Step 3: Cross multiply
    12,882,584.97x = 17,778,004.13 × 7,376,044.29
  4. Step 4: Simplify right side
    12,882,584.97x = 131,131,345,869,123.03
  5. Step 5: Solve for x
    x = 131,131,345,869,123.03/12,882,584.97
  6. Step 6: Final answer
    x = 10,178,962.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.